NPPES file of Aug 9, 2026

Beau Michael Chung, D.O.

General Practice Physician · Diamond Bar, CA

Beau Michael Chung, D.O. is a general practice physician with a practice address in Diamond Bar, California, and NPI 1841746799, issued on Aug 31, 2016. Check the license (California 20A14922, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1841746799
Name
Beau Michael Chung
Credential
D.O.
Primary taxonomy
General Practice Physician 208D00000X
License number
20A14922 CA
Self-reported in NPPES; status is on the state search
Practice location
3220 S Brea Canyon RD, Diamond Bar, CA 91765
Phone
(909) 594-1848
Enumerated
Aug 31, 2016
Record last updated
Aug 6, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20190918001580); accepts Medicare assignment
Medical or professional school
College Of Osteo Med Of The Pacific At Pomona, 2015
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3220 S Brea Canyon RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Michael Kwok, M.D.Internal Medicine Physician1881717197
  2. Jeffrey Monahan, D.C.Chiropractor1720071962

Verify Beau Michael Chung in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A14922
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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37% more Medicare Part D claims than the average general practice physician in 2024

4,146 Medicare Part D claims for 285 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 106 claims were for opioids.

  1. Beau Chung4,146
  2. Specialty average3,030

Most prescribed

  1. Atorvastatin Calcium251 claims
  2. Simvastatin183 claims
  3. Metformin Hcl163 claims
  4. Losartan Potassium161 claims
  5. Amlodipine Besylate153 claims
  6. Rosuvastatin Calcium153 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Beau Michael Chung among 1,956 general practice physician records in California

Beau Michael Chung, D.O. is one of 1,956 general practice physician records with a practice address in California. 48% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 76% of them.

  • NPI issued2016 · 76% of these records are older, 22% newer
  • In a Medicare fileYes · 48% of these records are
  • In the CMS Doctors and Clinicians fileYes · 27% of these records are
  • Graduated2015 · median 1994 among the 520 with a school on file
  • Record last updated2019 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

5 general practice physician records list a practice address in Diamond Bar

They are 5 of the 598 NPPES records with a practice address in Diamond Bar, and 1,956 general practice physician records in California.

The 8 general practice physician records with the nearest ZIP codes

  1. John Ang, MDDiamond Bar, CA 917651326196114
  2. Sushma Bahl, MDDiamond Bar, CA 917651932217056
  3. Amr Beltagui, M.D.Diamond Bar, CA 917651770897357
  4. Yvonne Hou, MDDiamond Bar, CA 917651720265887
  5. Brian Lee, M.D.Ontario, CA 917641932227626
  6. Miguel Castuera, PA-CMontclair, CA 917631679769897
  7. Raheel Chaudhry, MDPomona, CA 917671790277507
  8. Eshani Karu, MDPomona, CA 917671982177622

Common questions

What is Beau Michael Chung, D.O.'s NPI number?

Beau Michael Chung, D.O.'s National Provider Identifier (NPI) is 1841746799, issued on Aug 31, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Beau Michael Chung, D.O. located?

The NPPES record lists a practice address at 3220 S Brea Canyon RD, Diamond Bar, CA, 91765. Phone: (909) 594-1848. Providers update this record themselves, so call before visiting.

How can I verify Beau Michael Chung, D.O.'s license?

NPPES lists California license number 20A14922, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Beau Michael Chung, D.O. prescribe under Medicare Part D?

In 2024, Beau Michael Chung, D.O. had 4,146 Medicare Part D claims for 285 beneficiaries; the average among general practice physician prescribers was 3,030. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.